Table 1.

The nine learning sessions of the ASST protocol

Session	Phase	Day	Dimension	Stimulus pairing
SD Learning	1	1
			Odor	Sage*	Cinnamon
			Medium	Aspen bedding	Aspen bedding
			Texture	Plastic wrap	Plastic wrap
CD Learning 1	1	2
			Odor	Sage*	Cinnamon
			Medium	Aspen bedding	Moss
			Texture	Plastic wrap	Bubble wrap
Conflict Learning 1	1	2
			Odor	Sage	Cinnamon*
			Medium	Aspen bedding	Moss
			Texture	Plastic wrap	Bubble wrap
CD Learning 2 (IDS)	2	2
			Odor	Cumin*	Rosemary
			Medium	Gravel	Pellets
			Texture	Wax paper	Aluminum foil
Conflict Learning 2 (IDS)	2	2
			Odor	Cumin	Rosemary*
			Medium	Gravel	Pellets
			Texture	Wax paper	Aluminum foil
CD Learning 3 (IDS)	3	3
			Odor	Oregano*	Nutmeg
			Medium	Packing peanuts	Shredded paper
			Texture	Smooth cardboard	Cloth
Conflict Learning 3 (IDS)	3	3
			Odor	Oregano	Nutmeg*
			Medium	Packing peanuts	Shredded paper
			Texture	Smooth cardboard	Cloth
CD Learning 4 (EDS)	4	3
			Odor	Thyme	Cloves
			Medium	Perlite*	Sand
			Texture	Fine sandpaper	Coarse sandpaper
Conflict Learning 4 (EDS)	4	3
			Odor	Thyme	Cloves
			Medium	Perlite	Sand*
			Texture	Fine sandpaper	Coarse sandpaper

*Reward predictive stimulus.

CD, compound discrimination; SD, simple discrimination. Intradimensional shift (IDS) was applied in Phases 2 and 3, extradimensional shift (EDS) in Phase 4. Adopted from Iacoangeli et al. (2017).